Question

Answer 1

_{33 My uncle lived in Berlin in 1990}

_{34 Have you ever done any volunteer work} 

_{35 He didn't study history hard, so he failed the exam}

_{36 I have been a member of Asia since I left university}

_{37 He is interested in helping homeless people}

_{38 should donate old books to street children}

_{39 the weather was cold, we didn't go fishing}

_{40 have you taken part in the aerobic club}

Answer 2

37. He is interested in helping homeless people.

39. The weather was cold we didn't go fishing.